Stock-winding device



H. B. BATCHELDER.

STOCK WINDING DEVICE. APPLICATION FILED AUG.I1, I919.

Patented Mar. 1, 1921.

2 SHEETS/SHEET 1.

ATTORNEYS.

H. B. BATCHELDER.

STOCK WINDING DEVICE. APPLICATION FILED AUG-11, 1919.

ATTORNEYS.

' Patented Mar. 1, 1921.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

HAHBY B. BATCHELDER, OF SPRINGFIELD, MASSACHUSETTS, ASSIGNOR TO THE FISK RUBBER COMPANY, OF CHICOPEE FALLS, MASSACHUSETTS, A. CORPORATION OF MASSACHUSETTS.

STOCK-WINDING DEVICE.

To all whomz'tma concern:

Be it known that I, HARRY B. Baron- ELDER, a citizen of the United States of America, residing at Springfield, in the county of Hampden and State of Massachusetts, have invented certain new and useful Improvements in Stock-Winding Devices, of which the following is a specification.

My invention relates to devices for windin rubber stock as it is delivered from the cafenders, and specifically to devices for winding such stock after it has been divided into comparatively narrow ribbons.

It has for its object the elimination of the expensive booking operation necessary in the ordinary manner of winding this stock. It has for a further object the driving of the winding reels at a surface velocity corresponding at all times to the speed at which the stock is delivered from the calenders.

:It has for a further object the duplication of coacting with one of the calender rolls, and

wind the spaced strips together with a fabric liner upon a roll located adjacent the calender roll and driven by frictional contact therewith. The rubber stri s were later unwound from the wide rol and booked, bein later wound upon narrow spools if this 1s desired. B booking is meant placin i the strips 0 stock between layers of fa ric mounted. flat upon a board; This necessitated a double handling of the stock and increased the expense for labor. It has been recognized that it would be desirable to receive the calendered stock directly upon x narrow spools, but difliculty is encounteredbecause 0 the necessit of winding the stock upon the spools at the same linear speed as that at which it is received from the calender. If the windin s eed is too high the stock will be stretc e and ifait is too low the stock will be buckled. The primary cause of this difiiculty is that the linear speed at which the stock is-wound becomes greater as the size of the roll increases with the ac- Specification of Letters Patent.

' Patented ar. 1, 1921.

Application filed August 11, 1919. Serial No. 316,884.

cumulation of stock, whereas the speed at which it is delivered from the calender is a constant. This necessitates the provision of some means for insuring that the speed at which the stock is wound up is the same as that at which it is delivered. I have attained this result in a machine illustrated in the accompanying drawings, in which- Figure 1 is a side elevation, showing a portion of the calender diagrammatically;

Fig. 2 is a fragmentary plan thereof; and Fig. 3 is a view similar 'to Fig. 1 showing a modification.

The calender rolls 10 and 11 are two of the rolls of the ordinary three roll calender used in the preparation of rubber stock. The rubber stock 12 is severed by the usual knives (not shown) into narrow strips 13, and the surplus material is carried back through the calender rolls in the usual manner. Adjacent the rolls is a table 14 over which the cut strips pass, and which carries a roll 15 to guide the stock from the calender. At the end of the table remote from the calender is a series of spools 16, one for each strip, carried on a'shaft 17 A liner 18 of theusual fabric is fed from a spool 19, and is wound up between the successive convolutions of the strips on the spools 16.

In order to drive the spools 16 at such a speed that the linear speed at which the stock iswound up will always be the same as the peripheral speed of the lower calender roll the following mechanism is provided. Pivoted upon a shaft 20 is an arm 21 carryinga control roll 22 adapted to rest upon the lower calender roll. A liner 23 is fed from a reel 24: and is wound up together with a rubber strip 25 on the roll 22. The arm 21 is forced toward the calender roll by a weight 26, adjustabl mounted on an arm 27 pivoted to a sha t 28. Segmental gears 29 and 30 on shafts 28 and 20 respectively cause the pressure of the weight to be transmitted to roll 22. A chain 31 passes over a sprocket 32 fast toroll 22 and over xii;

' By the arrangement-described above, the

spools 16 are driven at all times at an angular velocity equal to that of roll 22. As that roll is supplied with a rubber strip livery speed of the stock, the speed at which stock will be wound up on spools 16 will always be equal to the speed at which the stock is fed. By this means buckling and tearing of the stock will be prevented.

If desirable from the standpoint of ob taining additional power to drive spools 16,

'one or more further rolls similar to 22 and driven by friction by the calender may be provided.

In Fig. 3 is shown a modification of the device described above. In this form pro- V1Si011 is made for changing the spools 16 without the necessity of the calender standing idle during this period. To this end duplicate sets of spools and appurtenant mechanism are provided, the additional set being denoted on the drawing by the prime numerals. To shift from one set of spools to the other a movable section 37 of the table 13, 14 is provided. This can be held in position adjacent the spools in any desired way, the end remote from the spools being pivoted at 38 to the table. The similar rolls 22 and 22' are preferably located at opposite sides of the table, and the one not in use is swung to an inoperative position such as is shown in the case of the roll 22'.

If desired, a plurality of narrow strips can be wound side by side upon spools 16 instead of the single strip 13 shown.

I claim- 1. A winding-device comprising the delivery roll of a calender, a table adjacent thereto, a spool adjacent the remote end of the table adapted to receive and wind up stock delivered from the calender, a 0011- trol roll yieldingly pressed against the calender roll and driven by frictional contact therewith, said control roll being adapted to wind up stock delivered from the calender, means for driving the spool from the control roll, and means for supplying liners to both the spool and the control roll.

2. A winding device comprising the delivery roll of a calender, a spool out of contact therewith, a control roll driven by frictional contact from the calender roll and adapted to wind up stock delivered therefrom, means to drive the spool from the control roll, and means to supply liners to both the spool and the control roll.

3. A winding device comprising in combination the delivery roll of a calender, a spool out of contact therewith, a control roll driven by frictional contact from the calender roll and adapted to wind up stock delivered therefrom, and means to drive the spool from the control 'roll.

4:. A. winding device comprising in combination the delivery roll of a calender, a delivery table, adjacent such roll and having a shiftable section, two sets of spools adjacent the shiftable section, a pair of control rolls each mounted on aswinging arm and operatively connected to impart rotation 'to one set of spools, and means whereby either of the control rolls may be pressed against the calender roll.

5. A winding device including a spool adapted to wind up sheet material, a dummy roll adapted to wind up another portion of material, means connecting the spool and the roll for rotationtogether, and means for driving the dunmiy roll through the periphery of the material wound thereon.

HARRY B. BATCHELDER. 

